Question

How many minutes does aditya take to cover a distance of 400 m if he runs at a speed of 20 km/hr 1​

Answer 1

Answer:

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Answer 2

1. Convert km/hr to m/s
2. = 20 x 5/18=100/18 m/s
3. as we know time=distance/speed
4. distance=400m
5. speed=100/18 m/s
6. 400÷100/18=400x18/100=72 second
7. 72/60=6/5= 1min 12 seconds or 1 ¹/₅ mins

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